From 27a7192bb9e97d33f23f593b6e7e2ba5e3d53287 Mon Sep 17 00:00:00 2001
From: Pawel Janeczek <pawel.janeczek@polidea.com>
Date: Tue, 11 Sep 2018 14:36:29 +0200
Subject: [PATCH] - fixes API MISUSE when calling stopScan on dispose (#283)

---
 Source/CentralManager.swift | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Source/CentralManager.swift b/Source/CentralManager.swift
index 43e55e18..be1ee2c5 100644
--- a/Source/CentralManager.swift
+++ b/Source/CentralManager.swift
@@ -163,7 +163,9 @@ public class CentralManager: ManagerType {
             return Disposables.create { [weak self] in
                 guard let strongSelf = self else { return }
                 // When disposed, stop scan and dispose scanning
-                strongSelf.manager.stopScan()
+                if strongSelf.state == .poweredOn {
+                    strongSelf.manager.stopScan()
+                }
                 do { strongSelf.lock.lock(); defer { strongSelf.lock.unlock() }
                     strongSelf.scanDisposable?.dispose()
                     strongSelf.scanDisposable = nil